The upgraded residential condensing tankless water heaters feature expanded size and functionality.
April 21, 2026
The multi-function panel display allows professional installers to view system status, temperature settings, service reminders, maintenance data, error codes, error history, and (if applicable) recirculation timing settings.
The draft rule would raise standards for tankless gas-fired water heaters to over 91 percent efficiency, while leaving the standards for tank gas-fired water heaters relatively untouched at 70 percent efficiency.
Tankless water heaters have been growing in popularity for decades, but there are still common misconceptions that surround the technology, impacting purchase decisions by both the pro and customer alike.
A. O. Smith has combined its water heating and water treatment expertise to achieve unparalleled protection with its new X3 Scale Prevention Technology — now included on its suite of condensing gas tankless products, the company says.
Rheem commercial tankless water heaters are designed to deliver continuous, dependable hot water, save money and space, and keep business up and running workday after workday, the company says.
With the improved SENSEI RSC condensing tankless water heater, Rinnai delivers the same superior quality with simplified installation, the company says.